“British terror police are on red alert over fears of copycat attacks following the New Orleans atrocity. Counter-terrorism chiefs and intelligence officers are monitoring for signs the attack, which killed at least 14 people in the US city, could inspire jihadis to commit more atrocities… Professor Ian Acheson, senior adviser at the Counter Extremism Project, told the Daily Express: "The New Orleans atrocity should greatly concern the security and intelligence services here. "There are tens of thousands of subjects of interest on MI5 watchlists. Islamic State encouraged its adherents to use vehicles to attack Christmas markets late last year and we saw another murderous attack in Magdeburg only a few weeks ago.”